package com.pattern.design.designpattern.Status;

/**
 * author:harisucici on 2018/10/9 17:42
 * email:harisucici@gmail.com
 * name:
 * todo:
 */
public interface TvState {
    /**
     * Next.
     */
    public void next();

    /**
     * Prev.
     */
    public void prev();

    /**
     * Up.
     */
    public void up();

    /**
     * Down.
     */
    public void down();
}
